https://filmora.wondershare.com/video-editing-tips/5-best-free-gif-creator.html
http://www.whitsoftdev.com/unfreez/
http://www.photoscape.org/ps/main/index.php
With Photoscape you can do lots of fun editing effects for your videos, and it includes features such as:
Editor
Viewer
Page merging
Animated GIF
Color picker
Photo splitter to cut up a single photo into several pieces
Crop
Filters
Pros: Many users find this a fair program and easy to use
Cons: Some users found it to be a bit slow
gifted motion
Runs independently of a platform but utilizes JAVA and is able to work on all Operating Systems. No installations are required; users can simply get to work right away.
Edit existing imagery
Supports PNG, JPEG, BMP, GIF
No licensing costs
Pros: Simple to use
Cons: Loading big size images takes some time